Animals shrinking in the heat: Sheep, deer, bird and reptile numbers falling due to global warming

Animals including sheep, deer, birds and reptiles are shrinking due to climate change, scientists have warned.

Researchers say warmer temperatures over the past few years have made some animals adapt to need less body fat to survive while others are struggling for food.

They expect the next few decades to see some types of mammals, fish and birds and plants get even smaller - and evolve into miniature versions of what we know today.  Read More